From: Viresh Kumar <viresh.kumar@linaro.org>
To: Rob Herring <robh+dt@kernel.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
Kevin Hilman <khilman@kernel.org>,
Viresh Kumar <vireshk@kernel.org>, Nishanth Menon <nm@ti.com>,
Stephen Boyd <sboyd@codeaurora.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Rajendra Nayak <rnayak@codeaurora.org>,
Sudeep Holla <sudeep.holla@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [RFC V7 1/2] OPP: Allow OPP table to be used for power-domains
Date: Thu, 30 Nov 2017 10:18:00 +0530 [thread overview]
Message-ID: <20171130044800.GH11413@vireshk-i7> (raw)
In-Reply-To: <CAL_JsqJr9pTkwODqxc1CKRv-zNr3B_kfy4U0g6imaV67oaca4A@mail.gmail.com>
On 29-11-17, 10:46, Rob Herring wrote:
> On Tue, Oct 31, 2017 at 7:47 AM, Viresh Kumar <viresh.kumar@linaro.org> wrote:
> > +- power-domain-opp: This contains phandle to one of the OPP nodes of the master
> > + power domain. This specifies the minimum required OPP of the master domain for
> > + the functioning of the device in this OPP (where this property is present).
> > + This property can only be set for a device if the device node contains the
> > + "power-domains" property. Also, either all or none of the OPP nodes in an OPP
> > + table should have it set.
>
> This is a "this device requires OPP n" property. Couldn't we want this
> for cases other than a powerdomain OPP? What if a device has
> requirements 2 different OPPs?
Hmm, I agree. We can/should make it more generic.
> On the flipside, I don't think we want devices picking things like CPU
> OPPs and putting policy here. But I'd rather things be extendable than
> reviewing yet another OPP property next month.
Sure, I would rename this property and make necessary changes to it.
--
viresh
next prev parent reply other threads:[~2017-11-30 4:48 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-31 12:47 [RFC V7 0/2] OPP: Allow OPP table to be used for power-domains Viresh Kumar
2017-10-31 12:47 ` [RFC V7 1/2] " Viresh Kumar
2017-11-28 15:50 ` Ulf Hansson
2017-11-29 16:46 ` Rob Herring
2017-11-30 4:48 ` Viresh Kumar [this message]
2017-10-31 12:47 ` [RFC V7 2/2] OPP: Allow "opp-hz" and "opp-microvolt" to contain magic values Viresh Kumar
2017-10-31 16:02 ` Rob Herring
2017-11-01 2:17 ` Viresh Kumar
2017-11-01 20:39 ` Rob Herring
2017-11-01 21:43 ` Stephen Boyd
2017-11-02 4:51 ` Viresh Kumar
2017-11-02 7:15 ` Stephen Boyd
2017-11-02 9:00 ` Viresh Kumar
2017-11-28 16:38 ` Ulf Hansson
2017-11-30 0:50 ` Stephen Boyd
2017-11-30 6:59 ` Viresh Kumar
2017-12-14 7:30 ` Viresh Kumar
2017-12-26 20:23 ` Rob Herring
2017-12-27 4:45 ` Viresh Kumar
2017-12-27 21:36 ` Rob Herring
2017-12-28 4:32 ` Viresh Kumar
2017-11-02 4:49 ` Viresh Kumar
2017-11-28 16:14 ` Ulf Hansson
2017-11-29 4:14 ` [RFC V7 0/2] OPP: Allow OPP table to be used for power-domains Viresh Kumar
2017-11-29 16:37 ` Rob Herring
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